package com.fesine.learn.design.principle.lisovsubstitution;

/**
 * @description: 类描述
 * @author: fesine
 * @createTime:2019/2/16
 * @update:修改内容
 * @author: fesine
 * @updateTime:2019/2/16
 */
public interface Quadrangle {
    long getWidth();
    long getLength();
}
